let user = {
  name: "user",
  show() {
    return this.name;
  }
};
let admin = {
  __proto__: user,
  name: "admin",
  get() {
    return super.show();
  }
};

console.log(admin)

console.log(admin.get()); //Uncaught SyntaxError: 'super' keyword unexpected here